Split scheduled and unschedlued auditions in show view
fixes #143
Added nonscheduled ausitions to society and venue pages
Allowed both scheduled and unscheduled auditions in show view.
Added unscheduled auditions to vacancies view
Update README.md

More detailed instructions in response to #154.
Merge branch 'scheduled-auditions' of https://github.com/sigilion/camdram into sigilion-scheduled-auditions

Conflicts:
	src/Acts/CamdramBundle/Entity/AuditionRepository.php
	src/Acts/CamdramBundle/Resources/views/Audition/index.html.twig
Merge branch 'master' of https://github.com/camdram/camdram
Fixes error introduced by me in 1d5e62bb.
Pragmatic approach to #151. Improves user experience, but better understanding of the underlying problem would be good.
Minor style tweaks to source code and UI (all files should end with a newline).